47 lines
1008 B
OCaml
47 lines
1008 B
OCaml
(* System interface *)
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external get_argv: unit -> string array = "sys_get_argv"
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let argv = get_argv()
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external file_exists: string -> bool = "sys_file_exists"
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external remove: string -> unit = "sys_remove"
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external getenv: string -> string = "sys_getenv"
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external command: string -> int = "sys_system_command"
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external chdir: string -> unit = "sys_chdir"
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type signal_behavior =
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Signal_default
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| Signal_ignore
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| Signal_handle of (int -> unit)
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external signal: int -> signal_behavior -> unit = "install_signal_handler"
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let sigabrt = -1
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let sigalrm = -2
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let sigfpe = -3
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let sighup = -4
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let sigill = -5
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let sigint = -6
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let sigkill = -7
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let sigpipe = -8
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let sigquit = -9
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let sigsegv = -10
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let sigterm = -11
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let sigusr1 = -12
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let sigusr2 = -13
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let sigchld = -14
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let sigcont = -15
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let sigstop = -16
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let sigtstp = -17
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let sigttin = -18
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let sigttou = -19
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exception Break
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let catch_break on =
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if on then
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signal sigint (Signal_handle(fun _ -> raise Break))
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else
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signal sigint Signal_default
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